diff --git a/listener/internal/api/validation/GetActiveValidators.go b/listener/internal/api/validation/GetActiveValidators.go
index ecfa7db..c6831c9 100644
--- a/listener/internal/api/validation/GetActiveValidators.go
+++ b/listener/internal/api/validation/GetActiveValidators.go
@@ -22,14 +22,14 @@ func GetActiveValidators(requestsDecoded []types.SignatureRequestDecoded, beacon
 	// iterate over the networks available in the beaconNodeUrls map
 	for network, url := range beaconNodeUrls {
 		// prepare request body, get the list of ids from the requestsDecoded for the current network
-		idss := make([]string, 0, len(requestsDecoded))
+		ids := make([]string, 0, len(requestsDecoded))
 		for _, req := range requestsDecoded {
 			if req.Network == network {
-				idss = append(idss, req.DecodedPayload.Pubkey)
+				ids = append(ids, req.DecodedPayload.Pubkey)
 			}
 		}
 		// if there are no ids for the current network, log and skip it
-		if len(idss) == 0 {
+		if len(ids) == 0 {
 			fmt.Printf("no ids for network %s\n", network)
 			continue
 		}
@@ -39,7 +39,7 @@ func GetActiveValidators(requestsDecoded []types.SignatureRequestDecoded, beacon
 			Ids      []string `json:"ids"`
 			Statuses []string `json:"statuses"`
 		}{
-			Ids:      idss,
+			Ids:      ids,
 			Statuses: []string{"active_ongoing"},
 		})
 		if err != nil {
diff --git a/listener/internal/api/validation/GetActiveValidators_test.go b/listener/internal/api/validation/GetActiveValidators_test.go
index 9c6c565..8486a14 100644
--- a/listener/internal/api/validation/GetActiveValidators_test.go
+++ b/listener/internal/api/validation/GetActiveValidators_test.go
@@ -2,8 +2,43 @@ package validation
 
 import (
 	"testing"
+
+	"github.com/dappnode/validator-monitoring/listener/internal/api/types"
 )
 
 func TestGetActiveValidators(t *testing.T) {
+	// Setup the input data
+	beaconNodeUrls := map[string]string{
+		"holesky": "https://holesky.infura.io/v3/e6c920580178424bbdf6dde266bfb5bd",
+	}
+
+	requestsDecoded := []types.SignatureRequestDecoded{
+		{
+			Network: "holesky",
+			DecodedPayload: types.DecodedPayload{
+				Pubkey: "0xa685beb5a1f317f5a01ecd6dade42113aad945b2ab53fb1b356334ab441323e538feadd2889894b17f8fa2babe1989ca",
+			},
+		},
+		{
+			Network: "holesky",
+			DecodedPayload: types.DecodedPayload{
+				Pubkey: "0xab31efdd97f32087e96d3262f6fb84a4480411d391689be0dfc931fd8a5c16c3f51f10b127040b1cb65eb955f2b78a63",
+			},
+		},
+		{
+			Network: "holesky",
+			DecodedPayload: types.DecodedPayload{
+				Pubkey: "0xa24a030d7d8ca3c5e1f5824760d0f4157a7a89bcca6414377cca97e6e63445bef0e1b63761ee35a0fc46bb317e31b34b",
+			},
+		},
+	}
+
+	// Call the function
+	result := GetActiveValidators(requestsDecoded, beaconNodeUrls)
 
+	// You may need to mock the server's response or adjust the expected values here according to your actual setup
+	expectedNumValidators := 3 // This should match the number of mock validators that are "active"
+	if len(result) != expectedNumValidators {
+		t.Errorf("Expected %d active validators, got %d", expectedNumValidators, len(result))
+	}
 }